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Wetting Agents

Wetting agents are specialized surfactants designed to lower the surface tension of liquids, allowing them to spread across and penetrate solid surfaces. In defoamer formulations, they act as the crucial bridge between the highly hydrophobic defoamer active ingredients (like silicone oils or mineral oils) and the aqueous foaming medium, ensuring the defoamer can effectively enter and disrupt the foam system.

    FEATURES

     General Properties: Excellent surface-tension reduction capabilities; typically clear, low-viscosity liquids with high water solubility or dispersibility.
     General Properties: Excellent surface-tension reduction capabilities; typically clear, low-viscosity liquids with high water solubility or dispersibility.
     Synergistic Role in Defoamers: Defoamer actives are naturally water-repellent. Wetting agents help these hydrophobic components initially wet and integrate into the aqueous medium without immediately floating to the surface.
     Performance Benefits:
    Prevents "Oil Floating" : Ensures the defoamer does not separate and form an unwanted oily film on the surface of the application bath.
    Improves Initial Dispersion: Guarantees uniform distribution of hydrophobic defoamer particles upon addition.
    Enhances Compatibility: Reduces the risk of the defoamer causing surface defects (like craters or fish-eyes) in sensitive applications like paper coating or paints.

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